Bastardo is a proper noun for at least two referents, each of them probably cognate with the common noun bastardo, meaning bastard in several Romance languages. It may also refer to:

Entertainment Bastardo (film), a 2013 Tunisian film "Bastardo", a single released by Charlotte Hatherley ¡Bastardos!, an album by Blues Traveler

Places Bastardo (Giano dell'Umbria), an Italian town in Perugia province, Umbria Fonte do Bastardo, a Portuguese parish of Praia da Vitória, Azores

Surname Angel Bastardo (born 2002), Venezuelan professional baseball player Antonio Bastardo (born 1985), Dominican baseball player José Luis Salcedo Bastardo (1926–2005), Venezuelan historian and diplomat Marlon Bastardo (born 1990), Venezuelan footballer

Other Bastardo (grape), a Portuguese variety of red grape Bastardo, a variant of the burpee (exercise) which adds a pushup